问题
单项选择题
单相降压变压器的输出()。
A、电压低、电流小
B、电压低、电流大
C、电压高、电流小
D、电压高、电流大
答案
参考答案:B
单相降压变压器的输出()。
A、电压低、电流小
B、电压低、电流大
C、电压高、电流小
D、电压高、电流大
参考答案:B
选择方框内所给词的适当形式填空。
We just want to say thank you for having us before we caught the plane last week. It was a nice evening, and we enjoyed _小题1:_ Peter and Sarah. With your help we were able to get to the airport with plenty of time. We often tried to get an earlier flight (航班) than usual, but it wasn't possible. We had a _小题2:_ holiday in Spain (西班牙). We just loved driving through the countryside, and we often _小题3:_ to walk round a mountain village. We met _小题4:__ friends, Bill and Sue, and they invited us to have a meal with them. They wanted us to stay with them. But we couldn't, as we had already booked (预定) two rooms in a hotel. The weather was nice. There _小题5:_ so much beautiful sunshine all time we were there. Leaving Spain was very sad. It made me want to cry. Anyway, we are looking forward to hearing from you, and hope to see you soon. Let me know if you're ever in the area. You must call in. Yours, Ray |